210025100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{29581}}^1$

素因数の和:29666

約数の個数: 36

約数和(自身を含む): 462189168

約数和(自身を除く): 252164068

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 29581, 59162, 118324, 147905, 295810, 591620, 739525, 1479050, 2100251, 2958100, 4200502, 8401004, 10501255, 21002510, 42005020, 52506275, 105012550, 210025100]

約数ペア:

[(1, 210025100), (2, 105012550), (4, 52506275), (5, 42005020), (10, 21002510), (20, 10501255), (25, 8401004), (50, 4200502), (71, 2958100), (100, 2100251), (142, 1479050), (284, 739525), (355, 591620), (710, 295810), (1420, 147905), (1775, 118324), (3550, 59162), (7100, 29581)]